I think the best ways are : Merchanting and magic logs and do the walk for law/nature runes Just buy something, sell it 4 more Magic logs are P2P and 1k ea Law / Nature rune walks : Take 27 not noted pure ess to the nature / law altar, and wait till someone says open [sometimes with a number] Open without a number means : Trade with me, give me the not noted pure ess, i'll give you 27 noted pure ess + 27 law / nature runes back Open 20 means : Trade me, and I'll give you 20 law/nature runes, and 27 noted pure ess ;)
